Quote:
Originally posted by CASINO
Im seeing that all the gate valve mods are diffrent than mine. I dont have the open pipe all the way to the top of the skimmer top. I basically have the gate valve going horizontal. Like this.....Pipe from outflow, 90, gatevalve, 90 and a pipe going into the water. Does this have a diffrence in performance in the skimmer?
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The open pipe to the top of the skimmer prevents a siphon from being created and keeps it a gravity drain which allows you to get the water level higher than the gate valve.
It sounds like your drain line is "closed", which could create a siphon and make it harder to get your water level higher.